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RATIONALE:
The hyperphagic effect of Delta9-tetrahydrocannabinol (Delta9THC) in humans and rodents is well known. However, no studies have investigated the importance of Delta9THC composition and any influence other non-Delta9THC cannabinoids present in Cannabis sativa may have. We therefore compared the effects of purified Delta9THC, synthetic Delta9THC (dronabinol), and Delta9THC botanical drug substance (Delta9THC-BDS), a Delta9THC-rich standardized extract comparable in composition to recreationally used cannabis.
METHODS:
Adult male rats were orally dosed with purified Delta9THC, synthetic Delta9THC, or Delta9THC-BDS, matched for Delta9THC content (0.34-2.68 mg/kg). Prior to dosing, subjects were satiated, and food intake was recorded following Delta9THC administration. Data were then analyzed in terms of hourly intake and meal patterns.
RESULTS:
All three Delta9THC substances tested induced significant hyperphagic effects at doses >or=0.67 mg/kg. These effects included increased intake during hour one, a shorter latency to onset of feeding and a greater duration and consumption in the first meal. However, while some differences in vehicle control intakes were observed, there were significant, albeit subtle, differences in pattern of effects between the purified Delta9THC and Delta9THC-BDS.
CONCLUSION:
All Delta9THC compounds displayed classical Delta9THC effects on feeding, significantly increasing shortterm intake whilst decreasing latency to the first meal. We propose that the subtle adjustment to the meal patterns seen between the purified Delta9THC and Delta9THC-BDS are due to non-Delta9THC cannabinoids present in Delta9THC-BDS. These compounds and other non-cannabinoids have an emerging and diverse pharmacology and can modulate Delta9THC-induced hyperphagia, making them worth further investigation for their therapeutic potential.
Source: Cannabis constituents modulate
The hyperphagic effect of Delta9-tetrahydrocannabinol (Delta9THC) in humans and rodents is well known. However, no studies have investigated the importance of Delta9THC composition and any influence other non-Delta9THC cannabinoids present in Cannabis sativa may have. We therefore compared the effects of purified Delta9THC, synthetic Delta9THC (dronabinol), and Delta9THC botanical drug substance (Delta9THC-BDS), a Delta9THC-rich standardized extract comparable in composition to recreationally used cannabis.
METHODS:
Adult male rats were orally dosed with purified Delta9THC, synthetic Delta9THC, or Delta9THC-BDS, matched for Delta9THC content (0.34-2.68 mg/kg). Prior to dosing, subjects were satiated, and food intake was recorded following Delta9THC administration. Data were then analyzed in terms of hourly intake and meal patterns.
RESULTS:
All three Delta9THC substances tested induced significant hyperphagic effects at doses >or=0.67 mg/kg. These effects included increased intake during hour one, a shorter latency to onset of feeding and a greater duration and consumption in the first meal. However, while some differences in vehicle control intakes were observed, there were significant, albeit subtle, differences in pattern of effects between the purified Delta9THC and Delta9THC-BDS.
CONCLUSION:
All Delta9THC compounds displayed classical Delta9THC effects on feeding, significantly increasing shortterm intake whilst decreasing latency to the first meal. We propose that the subtle adjustment to the meal patterns seen between the purified Delta9THC and Delta9THC-BDS are due to non-Delta9THC cannabinoids present in Delta9THC-BDS. These compounds and other non-cannabinoids have an emerging and diverse pharmacology and can modulate Delta9THC-induced hyperphagia, making them worth further investigation for their therapeutic potential.
Source: Cannabis constituents modulate
